MONTEREY PARK – A college student was arrested Thursday night after sheriff’s detectives and federal agents found a cache of illegal weapons, ammunition and military equipment inside his home, officials said.

Sheriff’s Detective Jeff Spelatz said investigators raided a home in the 400 block of Brightwood Street in Monterey Park at about 7p.m.

Spelatz said Matthew Corwin, 23, was arrested on suspicion of possession of assault weapons and credit card theft.

Mario Villegas, spokesman for East Los Angeles Community College, confirmed Corwin is a student at the college and the president of the associated student union.

Sheriff’s Deputy Oscar Butao said the investigation is being handled by mutliple agencies, including the Major Crimes Bureau, the Bureau of Alcohol, Tobacco, Firearms and Explosives and the Department of Defense.

Butao said detectives from the Community College Bureau received information that led to the search warrant being served at Corwin’s home. He said detectives found numerous illegal weapons inside.

Detectives believe Corwin may have been in the military at one point, Butao said.

Butao said Corwin is being held at the sheriff’s East Los Angeles Station in lieu of $500,000 bail.